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(11)

EP 3 488 525 A1

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(43) Date of publication: 29.05.2019 Bulletin 2019/22 (21) Application number: 16745086.5 (22) Date of filing: 22.07.2016

(51) International Patent Classification (IPC):  H03J 3/04(2006.01) H03L 1/02(2006.01) (86) International application number: PCT/EP2016/067541 (87) International publication number: WO 2018/014970 (25.01.2018 Gazette 2018/04)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (71) Applicant: Fundacio per a la Universitat Oberta de Catalunya (UOC) 08035 Barcelona (ES)	(72) Inventors: VILAJOSANA GUILLÉN, Xavier 08440 Cardedeu (ES) MARTÍNEZ HUERTA, Borja 08172 Sant Cugat del Vallès (ES) ADELANTADO FREIXER, Ferran 08191 Rubí (ES) TUSET PEIRÓ, Pere 08401 Granollers (ES) (74) Representative: ZBM Patents - Zea, Barlocci & Markvardsen  Plaza Catalunya, 1 2nd floor 08002 Barcelona 08002 Barcelona (ES)